Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 27-09-2023 and time 07:22:31 (Italy) in region 1 km W Moliterno (PZ)

A magnitude ML 1.2 earthquake occured in region: 1 km W Moliterno (PZ), on

  • 27-09-2023 05:22:31 (UTC)
  • 27-09-2023 07:22:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.2440, 15.8640 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Moliterno PZ 1 4062 4062
Sarconi PZ 2 1404 5466
Grumento Nova PZ 5 1700 7166
Spinoso PZ 9 1462 8628
Tramutola PZ 11 3089 11717
Viggiano PZ 11 3329 15046
Montemurro PZ 13 1235 16281
Castelsaraceno PZ 14 1384 17665
Montesano sulla Marcellana SA 14 6704 24369
Marsicovetere PZ 15 5546 29915
Casalbuono SA 16 1194 31109
Lagonegro PZ 16 5584 36693
San Martino d'Agri PZ 16 801 37494
Paterno PZ 19 3368 40862
Armento PZ 19 631 41493
San Chirico Raparo PZ 19 1084 42577

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km S of Potenza (67122 inhabitants)
78 Km SW of Matera (60436 inhabitants)
85 Km SE of Battipaglia (50786 inhabitants)
87 Km SW of Altamura (70396 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.2 2023-09-27
05:22:31		 40.2443 15.8635 8 2023-09-27
05:28:10		 Sala Sismica INGV-Roma 121505851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-27 05:22:31 ± 0.18
Latitude 40.2443 ± 0.0045
Longitude 15.8635 ± 0.0071
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121505851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 504
Semi-minor axis of confidence ellipse (meter) 368
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 121505851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-27 05:28:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CUC.HHZ. 2023-09-27T05:22:42.03 0.6 undecidable manual S 188 28.0497 105 0.05 48
IV.PTRP.HHZ. 2023-09-27T05:22:39.39 0.6 undecidable manual P 28 34.9428 102 0.33 45
XE.T0701.HHZ. 2023-09-27T05:22:38.98 1.0 negative manual P 143 35.742 102 -0.24 23
MN.CUC.HHZ. 2023-09-27T05:22:38.06 1.0 positive manual P 188 28.0497 105 0.34 22
IV.MGR.HHZ. 2023-09-27T05:22:37.73 0.3 undecidable manual P 246 28.8489 105 -0.13 70
IX.VGG3.HNZ.01 2023-09-27T05:22:36.60 0.3 undecidable manual S 17 10.6782 125 0.19 72
IV.MTSN.HHZ. 2023-09-27T05:22:36.42 0.6 undecidable manual S 284 9.7791 127 0.25 47
IV.MCEL.HHZ. 2023-09-27T05:22:35.94 0.3 undecidable manual S 330 10.3785 126 -0.38 69
IV.SCHR.EHZ. 2023-09-27T05:22:35.78 0.1 undecidable manual P 105 18.6702 112 -0.14 95
IV.MCEL.HHZ. 2023-09-27T05:22:34.23 1.0 negative manual P 330 10.3785 126 -0.22 24
IX.VGG3.HNZ.01 2023-09-27T05:22:34.48 0.1 undecidable manual P 17 10.6782 125 -0.02 99
IV.MTSN.HHZ. 2023-09-27T05:22:34.57 0.6 undecidable manual P 284 9.7791 127 0.21 48
IV.SIRI.HHZ. 2023-09-27T05:22:33.94 0.1 positive manual P 177 6.8931 137 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SIRI.HNE. ML:1.4 0.00043149999999999997 0.28 AML other m 2023-09-27T05:22:36.01
IV.SIRI.HHE. ML:1.4 0.0004545 0.3 AML other m 2023-09-27T05:22:36.01
IV.MCEL.HHE. ML:1.3 0.000289 0.18 AML other m 2023-09-27T05:22:36.75
IV.MTSN.HHN. ML:1.0 0.0001595 0.6 AML other m 2023-09-27T05:22:38.00
IV.MCEL.HHN. ML:1.3 0.00030199999999999997 0.62 AML other m 2023-09-27T05:22:39.20
IV.MTSN.HHE. ML:1.0 0.00016549999999999998 0.28 AML other m 2023-09-27T05:22:39.65
IV.SIRI.HHN. ML:1.4 0.00047400000000000003 0.2 AML other m 2023-09-27T05:22:39.44
IV.SIRI.HNN. ML:1.4 0.0004445 0.2 AML other m 2023-09-27T05:22:39.44
IV.MTSN.HNE. ML:1.1 0.00016900000000000002 0.94 AML other m 2023-09-27T05:22:40.65
IV.MTSN.HNN. ML:1.0 0.00015350000000000002 0.56 AML other m 2023-09-27T05:22:41.44
IV.MGR.HHN. ML:0.9 0.00003955 0.46 AML other m 2023-09-27T05:22:43.54
IV.MGR.HHE. ML:0.8 0.00003625000000000001 0.76 AML other m 2023-09-27T05:22:44.09
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download